# SDR AALA202011099010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2020
- Submitted: November 9, 2020
- Operation: Air carrier
- Aircraft: [N955NN](https://openairdocs.org/aircraft/N955NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31199
- Aircraft time: 18,166 hours, 7,067 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 141A5410140
- Condition: Cracked
- Location: Bs 323
- Stage of operation: IN
- How discovered: X
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202011099010

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE.  CRACK IN FLOOR INTERCOSTAL AT STA 323 AND RBL 31, MEASURING L=1.0 IN, W=0.1 IN.  REPLACED INTERCOSTAL WITH NEW, IAW AARD 51-00-05-1.

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